DBA 如何解决MySQL密码登录告警提示
背景
MySQL在命令行输入密码时会提示mysql: [Warning] Using a password on the command line interface can be insecure.，在某些时候会干扰取值。
解决方法：
使用mysql_config_editor可以解决这一问题。
login-path是从MySQL5.6开始支持的特性，借助mysql_config_editor工具可以将登陆MySQL的认证信息加密存放在.mylogin.cnf文件。之后，MySQL客户端可以通过读取该加密信息进行登陆。
示例：
[root@localhost mysql]# mysql_config_editor set –login-path=db_admin –host=192.168.1.6 –user=root –password
Enter password: # 输入密码
Enter password: # 输入密码
参数
–login-path=name 登陆信息名称
–host=name 登陆地址
–password 在登陆文件中添加密码（该密码会被mysql_config_editor自动加密）
–user 用户名
–port=name 端口
–socket=name sock文件
–host=name 登陆地址
–password 在登陆文件中添加密码（该密码会被mysql_config_editor自动加密）
–user 用户名
–port=name 端口
–socket=name sock文件
查看
# 显示指定名称的登陆信息
mysql_config_editor print –login-path=test
# 显示所有登陆信息
mysql_config_editor print –all
mysql_config_editor print –login-path=test
# 显示所有登陆信息
mysql_config_editor print –all
示例：
[root@localhost mysql]# mysql_config_editor print –all
[db_admin]
user = root
password = *****
host = 192.168.1.6
[root@localhost mysql]# mysql_config_editor print –login-path=db_admin
[db_admin]
user = root
password = *****
host = 192.168.1.6
[db_admin]
user = root
password = *****
host = 192.168.1.6
[root@localhost mysql]# mysql_config_editor print –login-path=db_admin
[db_admin]
user = root
password = *****
host = 192.168.1.6
删除配置
mysql_config_editor remove –login-path=test
登陆
root@localhost mysql]# mysql –login-path=db_admin
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10222
Server version: 5.7.37-log MySQL Community Server (GPL)
Copyright (c) 2000, 2022, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.
mysql>
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10222
Server version: 5.7.37-log MySQL Community Server (GPL)
Copyright (c) 2000, 2022, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.
mysql>
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